CN208442152U - A kind of precision gear axis - Google Patents
A kind of precision gear axis Download PDFInfo
- Publication number
- CN208442152U CN208442152U CN201821076006.7U CN201821076006U CN208442152U CN 208442152 U CN208442152 U CN 208442152U CN 201821076006 U CN201821076006 U CN 201821076006U CN 208442152 U CN208442152 U CN 208442152U
- Authority
- CN
- China
- Prior art keywords
- shaft part
- extended
- face center
- wheel disk
- left end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of precision gear axis, including toothed disc, toothed disc left end face center is extended with left wheel disk boss, left wheel disk boss left end face center is extended with the first shaft part for bearing set, first shaft part left end face center is extended with the second shaft part, second shaft part left end face center is extended with third shaft part, third shaft part left end face center is extended with the 4th shaft part, installation screw thread is provided in the 4th shaft part outer circumferential walls, and the 4th pin hole for offering the 4th shaft part of perforation on shaft part, the central axis upright of the central axis of pin hole and the 4th shaft part, the left wheel disk boss, first shaft part, second shaft part, the diameter dimension of third shaft part and the 4th shaft part is gradually reduced；Toothed disc right end face center is extended with right wheel disk boss.The utility model reasonable structural arrangement, subsequent structural installation is more stable, ensure that good concentricity, is conducive to extend whole service life.
Description
Technical field
The utility model relates to transmission shaft technical field, specially a kind of precision gear axis.
Background technique
Gear shaft refers to support rotary part and is turned round therewith with the machine components of passing movement, torque or moment of flexure.One
As for round metal it is rod-shaped, each section can have different diameters.The part for making rotary motion in machine is just mounted on axis.
Gear shaft can be divided into two class of crankshaft and d-axis according to the difference of axis shape, axis.According to the carrying situation of axis, again
Can be divided into: 1. shaft, when work, had not only born moment of flexure but also had born torque, were the most common axis in machinery, as in various retarders
Axis etc..2. mandrel is solely subjected to moment of flexure without transmitting torque, some central axis, such as rolling stock for support rotary part
Axis etc., some mandrels do not rotate then, such as the axis of supporting pulley.3. transmission shaft is mainly used to transmit torque and be not subject to moment of flexure,
The drive shaft of long optical axis, automobile in such as crane mobile mechanism.
In use there is some shortcomings, the toothed disc of end wearing or damage existing precision gear axis occurs
Bad when, it has not been convenient to which dismounting and change seriously affects whole service performance and service life；In addition, the structure arrangement of conventional tooth wheel shaft is not
It is enough reasonable, it is unfavorable for the Precision Machining of gear shaft.
Utility model content
The purpose of this utility model is to provide a kind of precision gear axis, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides the following technical solutions: a kind of precision gear axis, including toothed disc,
Toothed disc left end face center is extended with left wheel disk boss, and left wheel disk boss left end face center is extended with for being set with axis
The first shaft part held, the first shaft part left end face center are extended with the second shaft part, and the second shaft part left end face center is extended with
Three shaft parts, third shaft part left end face center are extended with the 4th shaft part, are provided with installation spiral shell in the 4th shaft part outer circumferential walls
Line, and the pin hole of the 4th shaft part of perforation is offered on the 4th shaft part, the central axis of the central axis of pin hole and the 4th shaft part hangs down
Directly, the diameter dimension of the left wheel disk boss, the first shaft part, the second shaft part, third shaft part and the 4th shaft part is gradually reduced；Institute
It states toothed disc right end face center and is extended with right wheel disk boss, right wheel disk boss right end face center is extended with for bearing set
The 5th shaft part, be uniformly distributed in the toothed disc outer circumferential walls and be provided with rack gear, the left wheel disk boss, right wheel disk boss with
And the 5th the diameter dimension of shaft part be gradually increased.
As a further solution of the present invention: the first shaft part left end face is extended with first step shaft part, institute
It states and is connect with first step shaft part using arc transition on the right side of the second shaft part.
As a further solution of the present invention: the third shaft part left end face is extended with second step shaft part.
As a further solution of the present invention: second shaft part and third shaft part junction offer transition rings
Slot, the left wheel disk boss and the first shaft part junction offer transition annular groove, and the right wheel disk boss is connect with the 5th shaft part
Place offers transition annular groove.
As a further solution of the present invention: offering multiple wheel disc through-holes on the toothed disc, wheel disc through-hole encloses
It is uniformly distributed around toothed disc central axis, the both ends of wheel disc through-hole offer through-hole chamfering.
As a further solution of the present invention: the outer circumferential walls surface roughness of the 5th shaft part and the first shaft part
It is 0.8.
Compared with prior art, the utility model has the beneficial effects that end tooth wheel disc can be existed by being threadedly engaged spinning
4th shaft part after spinning, allows the aperture of the sleeve sections of end tooth wheel disc to be directed at the pin hole of the 4th shaft part, after inserting pin shaft, makes
End tooth wheel disc and the installation of the 4th shaft part it is more stable, can complete to act forward or reverse, when disassembly, ejection pin shaft, i.e.,
End toothed disc can be screwed out, the dismounting and change in later period is conducive to；Toothed disc and other shaft parts use the structure of integrally connected, can
The concentricity of each shaft part is effectively ensured, is conducive to extend whole service life, improves the stability of operation；Most phase
Transition annular groove is opened up between adjacent shaft part, facilitates the machining of each shaft part, is conducive to the machining accuracy for improving each shaft part.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of precision gear axis；
Fig. 2 is the structural schematic diagram amplified at C in a kind of precision gear axis.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It is as shown in Figure 1, 2 that the utility model provides a kind of precision gear axis, including toothed disc 5,5 left-hand end of toothed disc
Face center is extended with left wheel disk boss 51, and 51 left end face center of left wheel disk boss is extended with the first shaft part for bearing set
4,4 left end face center of the first shaft part is extended with the second shaft part 3, and 3 left end face center of the second shaft part is extended with third shaft part 2,
2 left end face center of third shaft part is extended with the 4th shaft part 1, is provided with installation screw thread in 1 outer circumferential walls of the 4th shaft part, and
The pin hole 11 of the 4th shaft part 1 of perforation, the central axis of the central axis of pin hole 11 and the 4th shaft part 1 are offered on 4th shaft part 1
Vertically, the diameter dimension of the left wheel disk boss 51, the first shaft part 4, the second shaft part 3, third shaft part 2 and the 4th shaft part 1 by
It is decrescence small；The 5 right end face center of toothed disc is extended with right wheel disk boss 54, and 54 right end face center of right wheel disk boss extends
There is the 5th shaft part 6 for bearing set, is uniformly distributed in 5 outer circumferential walls of toothed disc and is provided with rack gear 53, the revolver
The diameter dimension of disk boss 51, right wheel disk boss 54 and the 5th shaft part 6 is gradually increased.5th shaft part 6 and the first shaft part 4
Outer circumferential walls surface roughness be 0.8.
Wherein, 4 left end face of the first shaft part is extended with first step shaft part 41,3 right side of the second shaft part and the
One 41 sections of Step Shaft is connected using arc transition；2 left end face of third shaft part is extended with second step shaft part 21.This structure
It is disposed with the assembly and disassembly conducive to other assembling assemblies.
Second shaft part 3 offers transition annular groove 7, the left wheel disk boss 51 and first with 2 junction of third shaft part
4 junction of shaft part offers transition annular groove 7, and the right wheel disk boss 54 and 6 junction of the 5th shaft part offer transition annular groove 7,
The groove depth of transition annular groove 7 is 0.15mm, groove width 1.2mm.
Multiple wheel disc through-holes 52 are offered on the toothed disc 5, wheel disc through-hole 52 uniformly divides around 5 central axis of toothed disc
Cloth, the both ends of wheel disc through-hole 52 offer through-hole chamfering.Be conducive to mitigate overall weight, helping, which reduces integrated carrying, bears
Lotus.
End tooth wheel disc can allow the sleeve sections of end tooth wheel disc by being threadedly engaged spinning after the 4th shaft part 1, spinning
Aperture is directed at the pin hole 11 of the 4th shaft part 1, after inserting pin shaft, so that end tooth wheel disc and the installation of the 4th shaft part 1 are more stable,
It can complete to act forward or reverse, when disassembly, eject pin shaft, end toothed disc can be screwed out, be conducive to the disassembly in later period more
It changes；Toothed disc 5 and other shaft parts use the structure of integrally connected, can effectively ensure that the concentricity of each shaft part, are conducive to prolong
Long whole service life, improves the stability of operation；Transition annular groove 7 is opened up between most adjacent shaft part, is facilitated each
The machining of shaft part is conducive to the machining accuracy for improving each shaft part.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of precision gear axis, including toothed disc, it is characterised in that: toothed disc left end face center is extended with left wheel disk
Boss, left wheel disk boss left end face center are extended with the first shaft part for bearing set, the first shaft part left end face center
It is extended with the second shaft part, the second shaft part left end face center is extended with third shaft part, and third shaft part left end face center is extended with
4th shaft part is provided with installation screw thread in the 4th shaft part outer circumferential walls, and the 4th shaft part of perforation is offered on the 4th shaft part
Pin hole, the central axis upright of the central axis of pin hole and the 4th shaft part, the left wheel disk boss, the first shaft part, the second axis
The diameter dimension of section, third shaft part and the 4th shaft part is gradually reduced；Toothed disc right end face center is extended with right wheel disk
Boss, right wheel disk boss right end face center are extended with the 5th shaft part for bearing set, in the toothed disc outer circumferential walls
It is uniformly distributed and is provided with rack gear, the diameter dimension of the left wheel disk boss, right wheel disk boss and the 5th shaft part is gradually increased.
2. a kind of precision gear axis according to claim 1, it is characterised in that: the first shaft part left end face is extended with
First step shaft part, the second shaft part right side are connect with first step shaft part using arc transition.
3. a kind of precision gear axis according to claim 1, it is characterised in that: the third shaft part left end face is extended with
Second step shaft part.
4. a kind of precision gear axis according to claim 1, it is characterised in that: second shaft part is connect with third shaft part
Place offers transition annular groove, and the left wheel disk boss and the first shaft part junction offer transition annular groove, the right wheel disk boss
Transition annular groove is offered with the 5th shaft part junction.
5. a kind of precision gear axis according to claim 1, it is characterised in that: offer multiple wheel discs on the toothed disc
Through-hole, wheel disc through-hole are uniformly distributed around toothed disc central axis, and the both ends of wheel disc through-hole offer through-hole chamfering.
6. a kind of precision gear axis according to claim 1, it is characterised in that: the circle of the 5th shaft part and the first shaft part
All outer wall surface roughness are 0.8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821076006.7U CN208442152U (en) | 2018-07-09 | 2018-07-09 | A kind of precision gear axis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821076006.7U CN208442152U (en) | 2018-07-09 | 2018-07-09 | A kind of precision gear axis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208442152U true CN208442152U (en) | 2019-01-29 |
Family
ID=65088965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821076006.7U Expired - Fee Related CN208442152U (en) | 2018-07-09 | 2018-07-09 | A kind of precision gear axis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208442152U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113696955A (en) * | 2021-05-31 | 2021-11-26 | 平高集团有限公司 | Circuit breaker handcart and wheel assembly thereof |
-
2018
- 2018-07-09 CN CN201821076006.7U patent/CN208442152U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113696955A (en) * | 2021-05-31 | 2021-11-26 | 平高集团有限公司 | Circuit breaker handcart and wheel assembly thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190129 |